CN107359213B - Photovoltaic cell photoelectric conversion efficiency integrates improvement method - Google Patents
Photovoltaic cell photoelectric conversion efficiency integrates improvement method Download PDFInfo
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The present invention relates to a kind of comprehensive improvement methods of photovoltaic cell photoelectric conversion efficiency; to solve the problems, such as that prior art photoelectric conversion efficiency is low; it is that photocell surface recombination has protection glass; by the protection glass top surface with upper conversion and down-conversion luminescent material, will be surface-treated using micrometer-nanometer processing technology into micro- polygonal pyramid array structure surface.Surface treatment is to utilize the electric discharge or spark eroding in micrometer-nanometer processing technology; plus certain voltage between the tool-electrode being soaked in dielectric and protection glass electrode; and its is made close to each other to discharge; cause the galvano-cautery of electrode and glass to be evaporated, will be surface-treated into micro- polygonal pyramid array structure surface.Array structure surface is that rectangular pyramid declines pyramid array body structure surface or triangular pyramid declines pyramid array body structure surface.It is improved with the photoelectric conversion efficiency for being able to achieve the full spectral coverage energy of solar spectrum, and prolonged transfer efficiency is kept, and most realizes the advantages of improving photocell photoelectric conversion efficiency.
Description
Technical field
The present invention designs a kind of raising solar energy conversion efficiency method, imitates more particularly to a kind of photovoltaic cell photoelectric conversion
Rate integrates improvement method.
Background technique
The transfer efficiency of solar battery is affected by many factors at present, and only seldom light is converted to electric energy.Mainly
Because containing the light of a variety of different wave lengths in sunlight, the bandwidth of more (list) crystal silicons is 1.1eV, and spectral response range is
It is ultraviolet to arrive about 1100nm.More (list) crystal silicon solar batteries, the wave-length coverage that can be carried out photoelectric conversion is 400-800nm.So
The 42% of the full spectral coverage energy of the sun can only be converted to electric energy, 52% infrared band energy and 6% ultraviolet light wave band energy, obtain
Less than utilization.Also, 52% infrared energy will heat solar panel, reduce the photoelectric conversion of visible spectrum
Efficiency.Meanwhile 6% UV energy can gradually destroy the crystal structures of more (list) crystal silicons, so that its is generated defect, further drop
The photoelectric conversion efficiency of low visible light spectral coverage.In addition, light produces on more (list) crystal silicon solar batteries surfaces and protection glass interface
Raw reflection also reduces the capacity usage ratio of visible spectrum.
In order to improve the utilization rate of light, upper conversion should be introduced into solar battery with down-conversion luminescent material, it will be red
Outer optical band and ultraviolet light wave band are converted to the utilizable visible light wave range of solar battery.It is drawn by above-mentioned principle, at first
Being used on solar photovoltaic device is cheap organic fluorescent dye, but its have the shortcomings that it is obvious: outdoor application
There is photo attenuation phenomenon, and causes solar photovoltaic device performance unstable.
In order to improve the absorptivity of light, reflection can be reduced using single-layer or multi-layer anti-reflection film, improves the saturating of light
Penetrate rate.Monofilm is for most of substrate materials, especially in IR regions, available thin-film material it is very limited or
The current technology of person can not be prepared；The manufacturing cost of multi-layer anti-reflection film is high, it is difficult to large area manufacture.Along with anti-reflective film layer
Adhesive force, corrosion stability and the defects of component permeability, promote it can not.
Patent No. CN201020629457.6 patent is most close patent.In the patent, there are three key technologies to fail to solve
Certainly.First: infrared light is only utilized, fails to utilize solar spectrum energy using ultraviolet light and be not enough；Second: not considering
Sunlight reflection problems, caused by optical energy loss；Third: to changing luminous material optimum doping concentration, consideration is not specific, causes
Transfer efficiency is not high.
Summary of the invention
Mesh of the present invention is to overcome the drawbacks described above of the prior art, provides a kind of photovoltaic cell photoelectric conversion efficiency synthesis and mentions
High method.
To achieve the above object, the comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency of the present invention is photocell surface recombination
There is protection glass, its special feature is that by the protection glass top surface with upper conversion and down-conversion luminescent material, utilization is micro-
Fining-off technology will be surface-treated into micro- polygonal pyramid array structure surface.Before micro- polygonal pyramid array structure surface effectively reduces light
To while reflection, the light path of down-conversion luminescent material, increases the yield of photo-generated carrier in extension, to improve conversion effect
Rate, and be resident water and dust should not.While with the forward reflection for effectively reducing light, it is able to extend conversion up and down and shines
The light path of material, increases the yield of photo-generated carrier, to improve transformation efficiency.This micro- pyramid array body structure surface, it is right
It for water and dust, should not be resident, can keep the transmitance of protection glass constant for a long time, reduce solar panel
The advantages of cleaning time.Protection glass with upper conversion and down-conversion luminescent material more preferably adulterates conversion and sends out with lower conversion
The protection glass of luminescent material.
As optimization, by surface treatment at micro- polygonal pyramid array structure surface be using in micrometer-nanometer processing technology electric discharge or
Spark eroding plus certain voltage between the tool-electrode being soaked in dielectric and protection glass electrode, and makes it
It is close to each other to discharge, cause the galvano-cautery of electrode and glass to be evaporated, will be surface-treated into micro- polygonal pyramid array structure surface.
Polygonal pyramid is equilateral polygonal pyramid, preferably equilateral symmetrical polygonal pyramid.
As optimization, micro- polygonal pyramid array structure surface is that rectangular pyramid declines pyramid array body structure surface or trigone
The micro- pyramid array body structure surface of bevel-type.
As optimization, micro- polygonal pyramid array structure height is between 7-12nm.
As optimization, the side base angle of micro- polygonal pyramid array structure is between 55-75 degree.
As optimization, up-conversion luminescent material corresponding with down-conversion luminescent material is sodium stearyl sulfate protection
NaYF4:Er/Tm/Gd nanoparticle.
As optimization, the sodium stearyl sulfate protection NaYF4:Er/Tm/Gd nanoparticle is made by following method:
Sodium hydroxide is dissolved in secondary water, and then successively ethyl alcohol and sodium stearyl sulfate are added thereto under strong stirring, held
Continuous stirring, is uniformly mixed solution；Then prepared erbium chloride, thulium chloride, gadolinium chloride aqueous solution are sequentially added；Finally, handle
Prepared NH4F solution is added dropwise wherein, is washed repeatedly for several times with deionized water and dehydrated alcohol, obtains octadecyl sulphur
The NaYF4:Er/Tm/Gd nanoparticle of sour sodium protection.
As optimization, it is that surface is living that the down-conversion luminescent material, which is using water and ethyl alcohol as solvent, sodium stearyl sulfate,
Property agent, using high temperature solid-state method prepare Pr3+-Eu3+Nanoparticle down-conversion luminescent material；Or it is embedded in spin-coating glass
Nanocrystal silicon, and this insertion spin-coating glass nanocrystal silicon down-converter be placed on monocrystalline silicon piece replace the protection glass
The down-conversion luminescent material of glass.
As optimization, the up-conversion luminescent material and down-conversion luminescent material dopant material are all nano particle, within
The mode of portion's doping or surface coating is doped.Inside doping is to use sol-gel technique, high temperature solid-state method will be upper and lower
Transition material is doped in protection glass.Surface coating is using hot-dip, Nanothermal spray technology by upper and lower transition material,
It is coated on protection glass.
As optimization, in the nanoparticle of protection lower glass surface coating one layer of mesoporous silicon oxide of package.
As optimization, the nanoparticle of mesoporous silicon oxide is the silica nanometer of the scale between both macro and micro
Particle.
The present invention is that the up-conversion luminescent material of proper ratio is adulterated inside protection glass, as sodium stearyl sulfate is protected
Shield NaYF4:Er/Tm/Gd nanoparticle: dissolving sodium hydroxide in secondary water, then under strong stirring successively ethyl alcohol and
Sodium stearyl sulfate is added thereto, lasting to stir, and is uniformly mixed solution.Then prepared erbium chloride, chlorine are sequentially added
Change thulium, gadolinium chloride aqueous solution.Finally, prepared NH4F solution is added dropwise wherein, it is anti-with deionized water and dehydrated alcohol
The NaYF4:Er/Tm/Gd nanoparticle for obtaining sodium stearyl sulfate protection for several times, and every kind of aqueous solution doping are washed in after backwashing
Ratio is suitable, keeps transfer efficiency optimal, infrared band energy is converted into visible light wave range energy by multi-photon mechanism, together
When add the doping of suitable lithium or barium and can significantly improve the luminous intensity of up-conversion nano material.
Meanwhile the down-conversion luminescent material of proper ratio is adulterated, Pr is prepared using high temperature solid-state method3+-Eu3+Lower conversion hair
Luminescent material and doping ratio is suitable, keeps transfer efficiency optimal, while nanocrystal silicon also can be used as down-conversion luminescent material, nanometer
Crystal silicon is embedded into spin-coating glass, this down-converter is placed on monocrystalline silicon piece, and ultraviolet light wave band energy is converted into visible light
Wave band energy.Up-conversion luminescent material and down-conversion luminescent material dopant material are nano particle, using sol-gel technique
It will be doped and added to inside upper and lower changing luminous material in protection glass, or use hot-dip, Nanothermal spray technology will
Upper and lower transition material is coated on protection glass, simultaneously because nano-grade size, has substantially no effect on the visible of protection glass
Light transmission rate.
Meanwhile the protection glass surface in more (list) crystal silicon sides, coating be surrounded by one layer it is mesoporous (in macroscopic view and
Scale between microcosmic) infrared band energy is further converted to visible light wave range and ultraviolet by the nanoparticle of silica
Wave band energy.In order to improve transfer efficiency, glass surface will be protected backwards to the surface of more (list) crystal silicon sides, utilize microfabrication
Electric discharge or spark eroding in technology, plus certain between the tool-electrode being soaked in dielectric and protection glass electrode
Voltage, and make its it is close to each other discharge, cause the galvano-cautery of electrode and glass evaporate, will be surface-treated at micro- pyramid
Array structure surface while effectively reducing the forward reflection of light, is able to extend conversion up and down and shines highly between 7-12nm
The light path of material, increases the yield of photo-generated carrier, to improve transformation efficiency.This micro- pyramid array body structure surface, it is right
It for water and dust, should not be resident, can keep the transmitance of protection glass constant for a long time.Reduce solar panel
Cleaning time.
For in background technique, infrared band energy and ultraviolet light wave band energy are not used the present invention；Also, it is red
Outer optical band energy heats solar panel, and reduces the photoelectric conversion efficiency of visible spectrum；And ultraviolet light wave band
The crystal structure of more (list) crystal silicons of energy damages, generates defect, and the photoelectric conversion efficiency etc. for further decreasing visible spectrum is asked
Topic.Up-conversion luminescent material and down-conversion luminescent material doping, or coating are carried out using in protection glass, it is mesoporous (in macroscopic view
And it is microcosmic between scale) silica nanoparticle inner surface coating and the micro- pyramid array in outer surface surface it is micro-
The method that fining-off technology combines, comprehensive optimal design realize that the photoelectric conversion efficiency of the full spectral coverage energy of solar spectrum improves, with
And prolonged transfer efficiency is kept, it is final to realize the basic goal for improving photocell photoelectric conversion efficiency.
Detailed description of the invention
Fig. 1 is that photovoltaic cell photoelectric conversion efficiency of the present invention integrates the protection glass that improvement method obtains and below photoelectricity
The schematic diagram of pool surface structural property；Fig. 2 is the surface that the comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency of the present invention is formed
Microfabrication structure opticpath schematic diagram；Fig. 3 is that the comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency of the present invention is being protected
Inside glass adulterates upper and lower changing luminous material schematic diagram.
Specific embodiment
As shown, the comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency of the present invention is that photoelectricity pool surface 1 is compounded with guarantor
Glass 2 is protected, its special feature is that by table on the protection glass 2 with up-conversion luminescent material 3 and down-conversion luminescent material 4
Face will be surface-treated using micrometer-nanometer processing technology into micro- polygonal pyramid array structure surface.Micro- polygonal pyramid array structure surface is effective
While reducing the forward reflection of light, the light path of down-conversion luminescent material, increases the yield of photo-generated carrier, to mention in extension
High transformation efficiency, and be resident water and dust should not.While with the forward reflection for effectively reducing light, it is able to extend up and down
The light path of changing luminous material, increases the yield of photo-generated carrier, to improve transformation efficiency.This micro- pyramid array structure
Surface should not be resident for water and dust, can be kept the transmitance of protection glass constant for a long time, be reduced solar energy
The advantages of cleaning time of solar panel.With upper conversion and the protection glass of down-conversion luminescent material more preferably adulterate conversion and
The protection glass of down-conversion luminescent material.
Specifically: will be surface-treated into micro- polygonal pyramid array structure surface is electric discharge or the electricity utilized in micrometer-nanometer processing technology
Spark erosion plus certain voltage between the tool-electrode being soaked in dielectric and protection glass electrode, and makes its phase
Mutually close to discharging, the galvano-cautery of electrode and glass is caused to be evaporated, will be surface-treated into micro- polygonal pyramid array structure surface.It is more
Pyramid is equilateral polygonal pyramid, preferably equilateral symmetrical polygonal pyramid.
Specifically: micro- polygonal pyramid array structure surface is that rectangular pyramid declines pyramid array body structure surface 6 or trigone
The micro- pyramid array body structure surface 6 of bevel-type.
Specifically: micro- polygonal pyramid array structure height is between 7-12nm.The side of micro- polygonal pyramid array structure
Face base angle is between 55-75 degree.
Specifically: up-conversion luminescent material 4 corresponding with down-conversion luminescent material 4 is sodium stearyl sulfate protection
NaYF4:Er/Tm/Gd nanoparticle.
Specifically: the sodium stearyl sulfate protection NaYF4:Er/Tm/Gd nanoparticle is made by following method:
Sodium hydroxide is dissolved in secondary water, then successively ethyl alcohol and sodium stearyl sulfate are added thereto under strong stirring, is continued
Stirring is uniformly mixed solution；Then prepared erbium chloride, thulium chloride, gadolinium chloride aqueous solution are sequentially added；Finally, matching
The NH4F solution made is added dropwise wherein, is washed repeatedly for several times with deionized water and dehydrated alcohol, obtains octadecyl sulfuric acid
The NaYF4:Er/Tm/Gd nanoparticle of sodium protection.
Specifically: it is solvent, sodium stearyl sulfate for surface-active that the down-conversion luminescent material 4, which is using water and ethyl alcohol,
Agent prepares Pr using high temperature solid-state method3+-Eu3+Nanoparticle down-conversion luminescent material 4.
Specifically: the up-conversion luminescent material 3 and 4 dopant material of down-conversion luminescent material are all nano particle, within
The mode of portion's doping or surface coating is doped；Inside doping is to use sol-gel technique, high temperature solid-state method will be upper and lower
Transition material is doped in protection glass.Surface coating is using hot-dip, Nanothermal spray technology by upper and lower transition material,
It is coated on protection glass.Or it is embedded in the nanocrystal silicon in spin-coating glass, and this insertion spin-coating glass is nanocrystalline
The down-converter of silicon is placed on monocrystalline silicon piece the down-conversion luminescent material for replacing the protection glass.
Specifically: using sol-gel technique by material doped to protecting in glass, first by metal (sodium, aluminium etc.) and ethyl alcohol
Class reaction, obtains the alcohol oxide of metal, and when water is added, alcohol oxide and water act on forming X-OH group and alcohol, most end form
At X (OR) n intermediary, by the hydrolysis of intermediary, then uniform X (OH) n colloidal sol suspended substance can be made, adjust the acid of colloidal sol
Degree or basicity can cause the dehydration between two X-OH keys, and then form gel, and upper and lower transition material is added, by drying,
Up to the protection glass of doping after calcining.
Specifically: Nanothermal spray technology is used, upper and lower transition material is coated on protection glass, it will using heat source
Material fusing or softening, lean on heat source self power or additional compressed air stream, molten drop are atomized or are pushed molten grain at the grain beam of injection,
Protection glass surface, which is ejected into, with certain speed forms coating.
Specifically: in the nanoparticle 5 of protection lower glass surface coating one layer of mesoporous silicon oxide of package.
Specifically: the nanoparticle 5 of mesoporous silicon oxide is the silica nanometer of the scale between both macro and micro
Particle.
More specifically: as shown in Figure 1, the comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency of the present invention is in photocell table
Face 1, and protection glass 2, using up-conversion luminescent material 3, down-conversion luminescent material 4, mesoporous silicon oxide nanoparticle
5, the method that micro- pyramid array body structure surface 6 combines realizes the basic goal for improving photocell photoelectric conversion efficiency.
Inside protection glass, the up-conversion luminescent material 3 of proper ratio is adulterated, as sodium stearyl sulfate is protected
NaYF4:Er/Tm/Gd nanoparticle: dissolving sodium hydroxide in secondary water, then successively ethyl alcohol and ten under strong stirring
Octadecyl sodium sulfate is added thereto, lasting to stir, and is uniformly mixed solution.Then prepared erbium chloride, chlorination are sequentially added
Thulium, gadolinium chloride aqueous solution.Finally, prepared NH4F solution is added dropwise wherein, repeatedly with deionized water and dehydrated alcohol
Washing for several times, obtains the NaYF4:Er/Tm/Gd nanoparticle of sodium stearyl sulfate protection, and every kind of aqueous solution adulterates ratio
Example is suitable, keeps transfer efficiency optimal, meanwhile, adulterate the down-conversion luminescent material 4 of proper ratio: using water and ethyl alcohol as solvent, ten
Octadecyl sodium sulfate is surfactant, prepares Pr using high temperature solid-state method3+-Eu3+Down-conversion luminescent material, by ultraviolet light wave
Duan Nengliang is converted into visible light wave range energy.Up-conversion luminescent material and down-conversion luminescent material dopant material are nano particle,
In such a way that inside doping or surface coat, simultaneously because nano-grade size, has substantially no effect on the visible light of protection glass
Transmitance.
Meanwhile the protection glass surface in more (list) crystal silicon sides, coating be surrounded by one layer it is mesoporous (in macroscopic view and
Scale between microcosmic) infrared band energy is further converted to visible light wave range and purple by the nanoparticle 5 of silica
Wave section energy.In order to improve transfer efficiency, glass surface will be protected backwards to the surface of more (list) crystal silicon sides, added using fine
Electric discharge or spark eroding in work technology, plus one between the tool-electrode being soaked in dielectric and protection glass electrode
Fixed voltage, and make its it is close to each other discharge, cause the galvano-cautery of electrode and glass evaporate, will be surface-treated Cheng Weijin word
Tower array structure surface while the forward reflection for effectively reducing light, is able to extend conversion up and down highly between 7-12nm
The light path of luminescent material, increases the yield of photo-generated carrier, to improve transformation efficiency.This micro- pyramid array structure table
Face should not be resident for water and dust, can keep the transmitance of protection glass constant for a long time.Reduce solar-electricity
The cleaning time of pond plate.
Fig. 2 is micro- pyramid array structure opticpath schematic diagram, it can be seen that sunlight is incident on micro- pyramid structure
Surface can effectively reduce the forward reflection of light, and final most light can enter in solar battery, obtain light
It adequately utilizes, and is able to extend the light path of down-conversion luminescent material, increase the yield of photo-generated carrier, turn to improve
Change efficiency.It for water and dust, should not be resident, can keep the transmitance of protection glass constant for a long time.Reduce the sun
The cleaning time of energy solar panel.
Fig. 3 is shown inside protection glass 2, adulterates the schematic diagram of the upper down-conversion luminescent material of proper ratio, upper to turn
It changes such as sodium stearyl sulfate of luminescent material 3 and protects NaYF4:Er/Tm/Gd nanoparticle, it will be infrared to pass through multi-photon mechanism
Optical band energy is converted into visible light wave range energy.Down-conversion luminescent material 4, rare earth ion have energy level abundant, and electronics is in 4f
Transition or 4f energy level generate light radiation to the transition of 5d energy level in layer.So lower conversion may be implemented using rare earth ion
Process.Such as Pr3+-Eu3+Rare earth ion doped nano particle, Ce3+-Tb3+Rare earth ion doped nano particle etc..Lower conversion process
Ultraviolet light wave band energy is converted into visible light wave range energy.
To sum up, the present invention utilizes on photocell and protection glass, utilizes up-conversion luminescent material, the luminous material of lower conversion
The method that material, the nanoparticle of mesoporous silicon oxide, micro- pyramid array body structure surface combine, provides a kind of photovoltaic cell
The higher solar power system of photoelectric conversion efficiency.
For in background technique, infrared band energy and ultraviolet light wave band energy are not used the present invention；Also, it is red
Outer optical band energy heats solar panel, and reduces the photoelectric conversion efficiency of visible spectrum；And ultraviolet light wave band
The crystal structure of more (list) crystal silicons of energy damages, generates defect, and the photoelectric conversion efficiency etc. for further decreasing visible spectrum is asked
Topic.Up-conversion luminescent material and down-conversion luminescent material doping, or coating are carried out using in protection glass, it is mesoporous (in macroscopic view
And it is microcosmic between scale) silica nanoparticle inner surface coating and the micro- pyramid array in outer surface surface it is micro-
The method that fining-off technology combines, comprehensive optimal design realize that the photoelectric conversion efficiency of the full spectral coverage energy of solar spectrum improves, with
And prolonged transfer efficiency is kept, it is final to realize the basic goal for improving photocell photoelectric conversion efficiency.
Claims (5)
1. a kind of comprehensive improvement method of photovoltaic cell photoelectric conversion efficiency, photocell surface recombination have protection glass, feature exists
In the protection glass top surface that will have upper conversion and down-conversion luminescent material, will be surface-treated using micrometer-nanometer processing technology at micro-
Polygonal pyramid array structure surface；Micro- polygonal pyramid array structure surface is that rectangular pyramid declines pyramid array body structure surface or three
Pyramid declines pyramid array body structure surface；Micro- polygonal pyramid array structure height is between 7-12nm；
Up-conversion luminescent material corresponding with down-conversion luminescent material is the NaYF4:Er/Tm/Gd of sodium stearyl sulfate protection
Nanoparticle；The sodium stearyl sulfate protection NaYF4:Er/Tm/Gd nanoparticle is made by following method: in secondary water
Middle dissolution sodium hydroxide, is then successively added thereto ethyl alcohol and sodium stearyl sulfate under strong stirring, lasting to stir, and makes
Solution is uniformly mixed；Then prepared erbium chloride, thulium chloride, gadolinium chloride aqueous solution are sequentially added；Finally, prepared
NH4F solution is added dropwise wherein, is washed repeatedly for several times with deionized water and dehydrated alcohol, obtains sodium stearyl sulfate protection
NaYF4:Er/Tm/Gd nanoparticle；In the nanoparticle of protection lower glass surface coating one layer of mesoporous silicon oxide of package.
2. method according to claim 1, it is characterised in that will be surface-treated into micro- polygonal pyramid array structure surface is to utilize
Electric discharge or spark eroding in micrometer-nanometer processing technology, between the tool-electrode being soaked in dielectric and protection glass electrode
In addition certain voltage, and make its it is close to each other discharge, cause the galvano-cautery of electrode and glass to be evaporated, will surface treatment at
Micro- polygonal pyramid array structure surface.
3. method according to claim 1, it is characterised in that the down-conversion luminescent material is using water and ethyl alcohol as solvent, ten
Octadecyl sodium sulfate is surfactant, prepares Pr using high temperature solid-state method3+-Eu3+Nanoparticle down-conversion luminescent material；Or
Person is embedded in the nanocrystal silicon in spin-coating glass, and the down-converter of the nanocrystal silicon of this insertion spin-coating glass is placed in monocrystalline
The down-conversion luminescent material of the protection glass is replaced on silicon wafer.
4. method according to claim 1, it is characterised in that the up-conversion luminescent material and down-conversion luminescent material doping
Material is all nano particle, is doped in such a way that inside doping or surface coat.
5. according to claim 1, any the method for 3-4, it is characterised in that the nanoparticle of mesoporous silicon oxide is in macro
The Nano particles of silicon dioxide of scale between seeing and being microcosmic.
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| CN112271227A (en) * | 2020-10-27 | 2021-01-26 | 中国电子科技集团公司第十八研究所 | Glass cover plate for improving conversion efficiency of solar cell for space |
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| CN102336525A (en) * | 2011-09-19 | 2012-02-01 | 东旭集团有限公司 | Process for ensuring surface etching uniformity of front panel glass of amorphous silicon battery |
| CN103325871A (en) * | 2012-03-21 | 2013-09-25 | 三星康宁精密素材株式会社 | Cover substrate for photovoltaic module and photovoltaic module having the same |
| CN104716214A (en) * | 2015-03-18 | 2015-06-17 | 日芯光伏科技有限公司 | Radiating glass base plate of high concentration photovoltaic power generation module receiver and preparation method thereof |
| CN206947362U (en) * | 2017-06-25 | 2018-01-30 | 青岛理工大学 | The photovoltaic cell that photoelectric transformation efficiency synthesis improves |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102336525A (en) * | 2011-09-19 | 2012-02-01 | 东旭集团有限公司 | Process for ensuring surface etching uniformity of front panel glass of amorphous silicon battery |
| CN103325871A (en) * | 2012-03-21 | 2013-09-25 | 三星康宁精密素材株式会社 | Cover substrate for photovoltaic module and photovoltaic module having the same |
| CN104716214A (en) * | 2015-03-18 | 2015-06-17 | 日芯光伏科技有限公司 | Radiating glass base plate of high concentration photovoltaic power generation module receiver and preparation method thereof |
| CN206947362U (en) * | 2017-06-25 | 2018-01-30 | 青岛理工大学 | The photovoltaic cell that photoelectric transformation efficiency synthesis improves |
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